Jhonny Peralta bobbled Magglio Ordonez's grounder, and the third baseman's throwing error cleared the bases in a four-run fifth inning that lifted the Detroit Tigers over the Cleveland Indians 5-2 Friday in their home opener.

Whether you're in a keeper league or you're starting from scratch, the first thing fantasy owners need to do is try to make sense of all the offseason player movement. This offseason, the National League additions were top-quality (Roy Halladay and outfielder Jason Bay), but the American League came out on top in terms of quantity.